Definition of hypogeal in English:

hypogeal

(also hypogean)

adjective

Botany
  • 1Underground; subterranean.

    Compare with epigeal
    • ‘We examined sequence variation in a mitochondrial gene, ND2, from 364 individuals representing 6 hypogean and 11 epigean populations.’
    • ‘Quercus seedlings have hypogeal cotyledons and tap roots, both of which act as storage organs.’
    subterranean, subterrestrial, below ground, buried, sunken, lower-level, basement
    View synonyms
    1. 1.1(of seed germination) with the seed leaves remaining below the ground.
      • ‘If hypogeal, the cotyledon remains below ground at germination, feeding a tiny growing bulb from the endosperm.’
      • ‘Examples of hypogeal germination are seen in oak and runner bean.’

Origin

Late 17th century: via late Latin from Greek hupogeios (from hupo under + gē earth) + -al.

Pronunciation:

hypogeal

/ˌhʌɪpə(ʊ)ˈdʒiːəl/